Home / 4,808.20-7,212.37-1,521.32

Finding the Fourth Proportional to 4,808.20, 7,212.37 and 1,521.32

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Solution

The fourth proportional to 4,808.20, 7,212.37 and 1,521.32 is: 2,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.20 : 7,212.37 = 1,521.32 : x
  2. Step 2: Convert to fraction form
    4,808.20/7,212.37 = 1,521.32/x
  3. Step 3: Cross multiply
    4,808.20x = 7,212.37 × 1,521.32
  4. Step 4: Simplify right side
    4,808.20x = 10,972,322.73
  5. Step 5: Solve for x
    x = 10,972,322.73/4,808.20
  6. Step 6: Final answer
    x = 2,282.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.